If you want to add a new practice, you must be the subscriber — the person who created the DenGro subscription.
Steps to Add a New License:
Hover over the profile icon 👤 in the top right corner.
Select My Subscription.
Click Add New Licence ➕.
Choose the plan you want for the new practice.
Click Next and then Confirm to add the licence.
Your new practice will now be added to your DenGro subscription!